<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script src="js/vue.js" type="text/javascript" charset="utf-8"></script>
	</head>
	<body>
 
		<div id="app" v-bind:style="{ color: activeColor, fontSize: fontSize + 'px' }">dfa</div>
 
	</body>
	<script type="text/javascript">
		var vm = new Vue({
			el:"#app",
			data:{
				activeColor:'red',
				fontSize:80
			}
		})
	</script>
</html>
